arch/arm/mach-exynos/mach-smdk4x12.c

   1 /*
   2  * linux/arch/arm/mach-exynos4/mach-smdk4x12.c
   3  *
   4  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   5  *              http://www.samsung.com
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10 */
  11
  12 #include <linux/gpio.h>
  13 #include <linux/i2c.h>
  14 #include <linux/input.h>
  15 #include <linux/io.h>
  16 #include <linux/lcd.h>
  17 #include <linux/mfd/max8997.h>
  18 #include <linux/mmc/host.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/pwm_backlight.h>
  21 #include <linux/regulator/machine.h>
  22 #include <linux/serial_core.h>
  23 #include <linux/platform_data/s3c-hsotg.h>
  24
  25 #include <asm/mach/arch.h>
  26 #include <asm/hardware/gic.h>
  27 #include <asm/mach-types.h>
  28
  29 #include <plat/backlight.h>
  30 #include <plat/clock.h>
  31 #include <plat/cpu.h>
  32 #include <plat/devs.h>
  33 #include <plat/fb.h>
  34 #include <plat/gpio-cfg.h>
  35 #include <linux/platform_data/i2c-s3c2410.h>
  36 #include <plat/keypad.h>
  37 #include <plat/mfc.h>
  38 #include <plat/regs-fb.h>
  39 #include <plat/regs-serial.h>
  40 #include <plat/sdhci.h>
  41
  42 #include <mach/map.h>
  43
  44 #include <drm/exynos_drm.h>
  45 #include "common.h"
  46
  47 /* Following are default values for UCON, ULCON and UFCON UART registers */
  48 #define SMDK4X12_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  49                                  S3C2410_UCON_RXILEVEL |        \
  50                                  S3C2410_UCON_TXIRQMODE |       \
  51                                  S3C2410_UCON_RXIRQMODE |       \
  52                                  S3C2410_UCON_RXFIFO_TOI |      \
  53                                  S3C2443_UCON_RXERR_IRQEN)
  54
  55 #define SMDK4X12_ULCON_DEFAULT  S3C2410_LCON_CS8
  56
  57 #define SMDK4X12_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  58                                  S5PV210_UFCON_TXTRIG4 |        \
  59                                  S5PV210_UFCON_RXTRIG4)
  60
  61 static struct s3c2410_uartcfg smdk4x12_uartcfgs[] __initdata = {
  62         [0] = {
  63                 .hwport         = 0,
  64                 .flags          = 0,
  65                 .ucon           = SMDK4X12_UCON_DEFAULT,
  66                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
  67                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
  68         },
  69         [1] = {
  70                 .hwport         = 1,
  71                 .flags          = 0,
  72                 .ucon           = SMDK4X12_UCON_DEFAULT,
  73                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
  74                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
  75         },
  76         [2] = {
  77                 .hwport         = 2,
  78                 .flags          = 0,
  79                 .ucon           = SMDK4X12_UCON_DEFAULT,
  80                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
  81                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
  82         },
  83         [3] = {
  84                 .hwport         = 3,
  85                 .flags          = 0,
  86                 .ucon           = SMDK4X12_UCON_DEFAULT,
  87                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
  88                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
  89         },
  90 };
  91
  92 static struct s3c_sdhci_platdata smdk4x12_hsmmc2_pdata __initdata = {
  93         .cd_type                = S3C_SDHCI_CD_INTERNAL,
  94 #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
  95         .max_width              = 8,
  96         .host_caps              = MMC_CAP_8_BIT_DATA,
  97 #endif
  98 };
  99
 100 static struct s3c_sdhci_platdata smdk4x12_hsmmc3_pdata __initdata = {
 101         .cd_type                = S3C_SDHCI_CD_INTERNAL,
 102 };
 103
 104 static struct regulator_consumer_supply max8997_buck1 =
 105         REGULATOR_SUPPLY("vdd_arm", NULL);
 106
 107 static struct regulator_consumer_supply max8997_buck2 =
 108         REGULATOR_SUPPLY("vdd_int", NULL);
 109
 110 static struct regulator_consumer_supply max8997_buck3 =
 111         REGULATOR_SUPPLY("vdd_g3d", NULL);
 112
 113 static struct regulator_init_data max8997_buck1_data = {
 114         .constraints    = {
 115                 .name           = "VDD_ARM_SMDK4X12",
 116                 .min_uV         = 925000,
 117                 .max_uV         = 1350000,
 118                 .always_on      = 1,
 119                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 120                 .state_mem      = {
 121                         .disabled       = 1,
 122                 },
 123         },
 124         .num_consumer_supplies  = 1,
 125         .consumer_supplies      = &max8997_buck1,
 126 };
 127
 128 static struct regulator_init_data max8997_buck2_data = {
 129         .constraints    = {
 130                 .name           = "VDD_INT_SMDK4X12",
 131                 .min_uV         = 950000,
 132                 .max_uV         = 1150000,
 133                 .always_on      = 1,
 134                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 135                 .state_mem      = {
 136                         .disabled       = 1,
 137                 },
 138         },
 139         .num_consumer_supplies  = 1,
 140         .consumer_supplies      = &max8997_buck2,
 141 };
 142
 143 static struct regulator_init_data max8997_buck3_data = {
 144         .constraints    = {
 145                 .name           = "VDD_G3D_SMDK4X12",
 146                 .min_uV         = 950000,
 147                 .max_uV         = 1150000,
 148                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 149                                   REGULATOR_CHANGE_STATUS,
 150                 .state_mem      = {
 151                         .disabled       = 1,
 152                 },
 153         },
 154         .num_consumer_supplies  = 1,
 155         .consumer_supplies      = &max8997_buck3,
 156 };
 157
 158 static struct max8997_regulator_data smdk4x12_max8997_regulators[] = {
 159         { MAX8997_BUCK1, &max8997_buck1_data },
 160         { MAX8997_BUCK2, &max8997_buck2_data },
 161         { MAX8997_BUCK3, &max8997_buck3_data },
 162 };
 163
 164 static struct max8997_platform_data smdk4x12_max8997_pdata = {
 165         .num_regulators = ARRAY_SIZE(smdk4x12_max8997_regulators),
 166         .regulators     = smdk4x12_max8997_regulators,
 167
 168         .buck1_voltage[0] = 1100000,    /* 1.1V */
 169         .buck1_voltage[1] = 1100000,    /* 1.1V */
 170         .buck1_voltage[2] = 1100000,    /* 1.1V */
 171         .buck1_voltage[3] = 1100000,    /* 1.1V */
 172         .buck1_voltage[4] = 1100000,    /* 1.1V */
 173         .buck1_voltage[5] = 1100000,    /* 1.1V */
 174         .buck1_voltage[6] = 1000000,    /* 1.0V */
 175         .buck1_voltage[7] = 950000,     /* 0.95V */
 176
 177         .buck2_voltage[0] = 1100000,    /* 1.1V */
 178         .buck2_voltage[1] = 1000000,    /* 1.0V */
 179         .buck2_voltage[2] = 950000,     /* 0.95V */
 180         .buck2_voltage[3] = 900000,     /* 0.9V */
 181         .buck2_voltage[4] = 1100000,    /* 1.1V */
 182         .buck2_voltage[5] = 1000000,    /* 1.0V */
 183         .buck2_voltage[6] = 950000,     /* 0.95V */
 184         .buck2_voltage[7] = 900000,     /* 0.9V */
 185
 186         .buck5_voltage[0] = 1100000,    /* 1.1V */
 187         .buck5_voltage[1] = 1100000,    /* 1.1V */
 188         .buck5_voltage[2] = 1100000,    /* 1.1V */
 189         .buck5_voltage[3] = 1100000,    /* 1.1V */
 190         .buck5_voltage[4] = 1100000,    /* 1.1V */
 191         .buck5_voltage[5] = 1100000,    /* 1.1V */
 192         .buck5_voltage[6] = 1100000,    /* 1.1V */
 193         .buck5_voltage[7] = 1100000,    /* 1.1V */
 194 };
 195
 196 static struct i2c_board_info smdk4x12_i2c_devs0[] __initdata = {
 197         {
 198                 I2C_BOARD_INFO("max8997", 0x66),
 199                 .platform_data  = &smdk4x12_max8997_pdata,
 200         }
 201 };
 202
 203 static struct i2c_board_info smdk4x12_i2c_devs1[] __initdata = {
 204         { I2C_BOARD_INFO("wm8994", 0x1a), }
 205 };
 206
 207 static struct i2c_board_info smdk4x12_i2c_devs3[] __initdata = {
 208         /* nothing here yet */
 209 };
 210
 211 static struct i2c_board_info smdk4x12_i2c_devs7[] __initdata = {
 212         /* nothing here yet */
 213 };
 214
 215 static struct samsung_bl_gpio_info smdk4x12_bl_gpio_info = {
 216         .no = EXYNOS4_GPD0(1),
 217         .func = S3C_GPIO_SFN(2),
 218 };
 219
 220 static struct platform_pwm_backlight_data smdk4x12_bl_data = {
 221         .pwm_id = 1,
 222         .pwm_period_ns  = 1000,
 223 };
 224
 225 static uint32_t smdk4x12_keymap[] __initdata = {
 226         /* KEY(row, col, keycode) */
 227         KEY(1, 3, KEY_1), KEY(1, 4, KEY_2), KEY(1, 5, KEY_3),
 228         KEY(1, 6, KEY_4), KEY(1, 7, KEY_5),
 229         KEY(2, 5, KEY_D), KEY(2, 6, KEY_A), KEY(2, 7, KEY_B),
 230         KEY(0, 7, KEY_E), KEY(0, 5, KEY_C)
 231 };
 232
 233 static struct matrix_keymap_data smdk4x12_keymap_data __initdata = {
 234         .keymap         = smdk4x12_keymap,
 235         .keymap_size    = ARRAY_SIZE(smdk4x12_keymap),
 236 };
 237
 238 static struct samsung_keypad_platdata smdk4x12_keypad_data __initdata = {
 239         .keymap_data    = &smdk4x12_keymap_data,
 240         .rows           = 3,
 241         .cols           = 8,
 242 };
 243
 244 #ifdef CONFIG_DRM_EXYNOS
 245 static struct exynos_drm_fimd_pdata drm_fimd_pdata = {
 246         .panel  = {
 247                 .timing = {
 248                         .left_margin    = 8,
 249                         .right_margin   = 8,
 250                         .upper_margin   = 6,
 251                         .lower_margin   = 6,
 252                         .hsync_len      = 6,
 253                         .vsync_len      = 4,
 254                         .xres           = 480,
 255                         .yres           = 800,
 256                 },
 257         },
 258         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 259         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 260         .default_win    = 0,
 261         .bpp            = 32,
 262 };
 263 #else
 264 static struct s3c_fb_pd_win smdk4x12_fb_win0 = {
 265         .xres           = 480,
 266         .yres           = 800,
 267         .virtual_x      = 480,
 268         .virtual_y      = 800 * 2,
 269         .max_bpp        = 32,
 270         .default_bpp    = 24,
 271 };
 272
 273 static struct fb_videomode smdk4x12_lcd_timing = {
 274         .left_margin    = 8,
 275         .right_margin   = 8,
 276         .upper_margin   = 6,
 277         .lower_margin   = 6,
 278         .hsync_len      = 6,
 279         .vsync_len      = 4,
 280         .xres           = 480,
 281         .yres           = 800,
 282 };
 283
 284 static struct s3c_fb_platdata smdk4x12_lcd_pdata __initdata = {
 285         .win[0]         = &smdk4x12_fb_win0,
 286         .vtiming        = &smdk4x12_lcd_timing,
 287         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 288         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 289         .setup_gpio     = exynos4_fimd0_gpio_setup_24bpp,
 290 };
 291 #endif
 292
 293 /* USB OTG */
 294 static struct s3c_hsotg_plat smdk4x12_hsotg_pdata;
 295
 296 static struct platform_device *smdk4x12_devices[] __initdata = {
 297         &s3c_device_hsmmc2,
 298         &s3c_device_hsmmc3,
 299         &s3c_device_i2c0,
 300         &s3c_device_i2c1,
 301         &s3c_device_i2c3,
 302         &s3c_device_i2c7,
 303         &s3c_device_rtc,
 304         &s3c_device_usb_hsotg,
 305         &s3c_device_wdt,
 306         &s5p_device_fimc0,
 307         &s5p_device_fimc1,
 308         &s5p_device_fimc2,
 309         &s5p_device_fimc3,
 310         &s5p_device_fimc_md,
 311         &s5p_device_fimd0,
 312         &s5p_device_mfc,
 313         &s5p_device_mfc_l,
 314         &s5p_device_mfc_r,
 315 #ifdef CONFIG_DRM_EXYNOS
 316         &exynos_device_drm,
 317 #endif
 318         &samsung_device_keypad,
 319 };
 320
 321 static void __init smdk4x12_map_io(void)
 322 {
 323         exynos_init_io(NULL, 0);
 324         s3c24xx_init_clocks(clk_xusbxti.rate);
 325         s3c24xx_init_uarts(smdk4x12_uartcfgs, ARRAY_SIZE(smdk4x12_uartcfgs));
 326 }
 327
 328 static void __init smdk4x12_reserve(void)
 329 {
 330         s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
 331 }
 332
 333 static void __init smdk4x12_machine_init(void)
 334 {
 335         s3c_i2c0_set_platdata(NULL);
 336         i2c_register_board_info(0, smdk4x12_i2c_devs0,
 337                                 ARRAY_SIZE(smdk4x12_i2c_devs0));
 338
 339         s3c_i2c1_set_platdata(NULL);
 340         i2c_register_board_info(1, smdk4x12_i2c_devs1,
 341                                 ARRAY_SIZE(smdk4x12_i2c_devs1));
 342
 343         s3c_i2c3_set_platdata(NULL);
 344         i2c_register_board_info(3, smdk4x12_i2c_devs3,
 345                                 ARRAY_SIZE(smdk4x12_i2c_devs3));
 346
 347         s3c_i2c7_set_platdata(NULL);
 348         i2c_register_board_info(7, smdk4x12_i2c_devs7,
 349                                 ARRAY_SIZE(smdk4x12_i2c_devs7));
 350
 351         samsung_bl_set(&smdk4x12_bl_gpio_info, &smdk4x12_bl_data);
 352
 353         samsung_keypad_set_platdata(&smdk4x12_keypad_data);
 354
 355         s3c_sdhci2_set_platdata(&smdk4x12_hsmmc2_pdata);
 356         s3c_sdhci3_set_platdata(&smdk4x12_hsmmc3_pdata);
 357
 358         s3c_hsotg_set_platdata(&smdk4x12_hsotg_pdata);
 359
 360 #ifdef CONFIG_DRM_EXYNOS
 361         s5p_device_fimd0.dev.platform_data = &drm_fimd_pdata;
 362         exynos4_fimd0_gpio_setup_24bpp();
 363 #else
 364         s5p_fimd0_set_platdata(&smdk4x12_lcd_pdata);
 365 #endif
 366
 367         platform_add_devices(smdk4x12_devices, ARRAY_SIZE(smdk4x12_devices));
 368 }
 369
 370 MACHINE_START(SMDK4212, "SMDK4212")
 371         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 372         .atag_offset    = 0x100,
 373         .init_irq       = exynos4_init_irq,
 374         .map_io         = smdk4x12_map_io,
 375         .handle_irq     = gic_handle_irq,
 376         .init_machine   = smdk4x12_machine_init,
 377         .timer          = &exynos4_timer,
 378         .restart        = exynos4_restart,
 379         .reserve        = &smdk4x12_reserve,
 380 MACHINE_END
 381
 382 MACHINE_START(SMDK4412, "SMDK4412")
 383         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 384         /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
 385         .atag_offset    = 0x100,
 386         .init_irq       = exynos4_init_irq,
 387         .map_io         = smdk4x12_map_io,
 388         .handle_irq     = gic_handle_irq,
 389         .init_machine   = smdk4x12_machine_init,
 390         .init_late      = exynos_init_late,
 391         .timer          = &exynos4_timer,
 392         .restart        = exynos4_restart,
 393         .reserve        = &smdk4x12_reserve,
 394 MACHINE_END